package Thread.Demo06;

/**
 * @Author Miku
 * @Create 2021/5/14 13:44
 * 推导lambda表达式
 */
public class TestLambda {

    //3.静态内部类
    static class Like2 implements ILike {

        @Override
        public void lambda() {
            System.out.println("I like lambda2");
        }
    }

    public static void main(String[] args) {
        ILike like = new Like();
        like.lambda();

        like = new Like2();
        like.lambda();

        //4.局部内部类
        class Like3 implements ILike {

            @Override
            public void lambda() {
                System.out.println("I like lambda3");
            }
        }

        like = new Like3();
        like.lambda();

        //5.匿名内部类，没有类的名称，必须借助接口或者父类
        like = new ILike() {
            @Override
            public void lambda() {
                System.out.println("I like lambda4");
            }
        };

        like.lambda();

        //6.用lambda简化
        like = ()-> {
            System.out.println("I like lambda5");
        };

        like.lambda();


    }
}

/**
 * 1.定义一个函数式接口
 */
interface ILike {
    void lambda();
}

/**
 * 实现类
 */
class Like implements ILike {

    @Override
    public void lambda() {
        System.out.println("I like lambda");
    }
}
